Moved font size and margin to GUI class

gui.py

@@ -7,8 +7,10 @@ class GUI:
     def __init__(self):
         """Initializes the gui object."""
         self.font_path = "assets/fonts/Moon_Dance/MoonDance-Regular.ttf"
-        self.font = pg.font.Font(self.font_path, 64)
         self.font_color = (255, 255, 255)
+        self.font_size = 64
+        self.font = pg.font.Font(self.font_path, self.font_size)
+        self.margin = 32
 
     def render_text(self, text: str) -> pg.Surface:
         """